This may be a problem with the DNS server. Problem with DNS server: When IE can't browse the web page, you can try to access it with IP address first. If it is accessible, it should be a DNS problem. The problem caused by DNS may be the error of obtaining DNS when networking, or it may be the problem of DNS server itself. At this time, you can manually specify the DNS service (the address can be the DNS server address provided by the local ISP, or you can use the DNS server address that can be used normally in other places.
In the properties of the network (control panel-network and dial-up connections-local connection-right-click properties-TCP/IP protocol-properties-use the following DNS server address).
Different ISPs have different DNS addresses. Sometimes the router or network card can't connect to the ISP's DNS service. In this case, you can turn off the router temporarily or reset the router.